Features: 1.Applicable Models: Premium quality dual air trumpet is widely applicable to trucks, club cars, yachts, mine carts and much more to meet your needs with louder sound. 2.Mounting Precaution: Pay attention to that the compressor must be mounted in a vertical position, far away from hot engine parts. Install horns slightly inclined downwards. 3.Wiring Instructions: Connect the compressor positive to the electric system positive, and the negative to the negative, please wiring as indicated, and the connections should be short for minimum dropping of voltage. 4.130dB Super Loud: The dual trumpet horn is professionally engineered for 130dB loud, which can greatly catch others attention for maximum safe driving experience. 5.Complete Kit: The high quality dual air horn is supplied with necessary accessories required for installation, delivering a simple operation process, fast and convenient. Specification: Item Type: Dual Air Horn Material: Metal Voltage: DC 12V Current: 20A Sound Level: 130dB Operating Air Pressure: 0.1Mpa-0.15Mpa Applicable Models: Trucks, club cars, yachts, mining trucks, etc. PackageList: 1 x Dual Air Horn 5 x Nut 5 x Screw 5 x Washer 2 x Plug 2 x Motor 1 x Manual 1 x Gasket